The triquetra has been found on runestones in Northern Europe and on early Germanic coins. It presumably had pagan religious meaning and it bears a resemblance to the Valknut, a symbol associated with Odin.
G Scale Trains are usually referred to as Garden Trains since they are the largest of the model trains and are used outdoors as well as indoors.
N Scale Nickel Silver Model Train Track. Atlas #ATL2700. These switches have a remote control switch machine attached so you can wire the switch to be thrown (changing the direction of the rail), from your control panel rather than from the switch itself. Code 80 Standard Switch Remote RH. N Scale Nickel Silver Model Train Track.